docker-compose.yml

version: "3.7"
services:
  api:
    build: './src/api'
    image: harshraj22/dis_sim_api
    environment:
      - REDIS_URL=redis
      - REDIS_PORT=6379
    ports:
      - "8001:8001"
    depends_on:
      - redis
      - similarity
      - broker

  similarity:
    build: './src/similarity'
    image: harshraj22/dis_sim_similarity
    user: nobody
    depends_on:
      redis:
        condition: service_healthy

  flower:
    # https://distributedpython.com/posts/monitoring-a-dockerized-celery-cluster-with-flower/
    image: mher/flower
    container_name: flower
    command: celery flower
    environment:
      - CELERY_BROKER_URL=redis://redis:6379/0
      - FLOWER_PORT=8888
    ports:
      - 8888:8888
    depends_on:
      redis:
        condition: service_healthy

  frontend:
    build: './src/frontend'
    image: harshraj22/dis_sim_frontend
    depends_on:
      - api
    ports:
      - '8501:8501'
    volumes:
      - ./src/db:/app/db
      - ./src/frontend:/app

  auth:
    build: './src/auth'
    image: harshraj22/dis_sim_auth
    ports:
      - '8019:8019'
    depends_on:
      data_population:
         condition: service_healthy

  result_feedback:
    build: './src/result_feedback'
    image: harshraj22/dis_sim_result_feedback
    ports:
      - '8002:8002'
    depends_on:
      - similarity
        #  condition: service_healthy

  redis:
    image: 'redis:4-alpine'
    ports:
      - '6379:6379'
    healthcheck:
      test: ["CMD", "redis-cli","ping"]
    
  # redis_slave:
  #   image: 'redis:4-alpine'
  #   ports:
  #     - '6380:6379'
  #   healthcheck:
  #     test: ["CMD", "redis-cli","ping"]

  # https://github.com/soumilshah1995/getting-started-with-kafka-and-elasticsearch/tree/main/Lab2 
  zookeeper:
    image: confluentinc/cp-zookeeper:7.4.0
    container_name: zookeeper
    ports:
      - '2181:2181'
    environment:
      ZOOKEEPER_CLIENT_PORT: 2181
      ZOOKEEPER_TICK_TIME: 2000
    healthcheck: # https://gabrielschenker.com/index.php/2019/10/01/docker-compose-health-checks/
      test: nc -z localhost 2181 || exit -1
      interval: 10s
      timeout: 5s
      retries: 3
      start_period: 10s

  broker:
    image: confluentinc/cp-kafka:7.0.1
    container_name: broker
    ports:
      - "9092:9092"
      - "29092:29092"
    depends_on:
      zookeeper:
        condition: service_healthy
    healthcheck:
      test: kafka-topics --bootstrap-server broker:9092 --list
      interval: 30s
      timeout: 10s
      retries: 5
      # https://github.com/confluentinc/cp-docker-images/issues/248
    environment:
      KAFKA_BROKER_ID: 1
      KAFKA_ZOOKEEPER_CONNECT: 'zookeeper:2181'
      KAFKA_LISTENER_SECURITY_PROTOCOL_MAP: PLAINTEXT:PLAINTEXT,PLAINTEXT_INTERNAL:PLAINTEXT
      KAFKA_ADVERTISED_LISTENERS: PLAINTEXT://localhost:9092,PLAINTEXT_INTERNAL://broker:29092
      KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR: 1
      KAFKA_TRANSACTION_STATE_LOG_MIN_ISR: 1
      KAFKA_TRANSACTION_STATE_LOG_REPLICATION_FACTOR: 1

  monitor:
    build: './src/monitor'
    image: harshraj22/dis_sim_monitor
    depends_on:
      - broker
    volumes:
      - ./src/db:/app/db
        # condition: service_completed_successfully

  subscription_db:
    container_name: subscription_db
    image: mysql
    # NOTE: use of "mysql_native_password" is not recommended: https://dev.mysql.com/doc/refman/8.0/en/upgrading-from-previous-series.html#upgrade-caching-sha2-password
    # (this is just an example, not intended to be a production configuration)
    ports:
      - 3306:3306
    command: --default-authentication-plugin=mysql_native_password
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: mypassword
      MYSQL_DATABASE: DB
      # MYSQL_USER: root
    volumes:
      - ./src/subscription_db/schema.sql:/docker-entrypoint-initdb.d/schema.sql
    healthcheck:
      test:  "mysql $$MYSQL_DATABASE -uroot -p$$MYSQL_ROOT_PASSWORD -e 'SELECT 1;'" # https://github.com/docker/compose/issues/10155#event-8192088464
      interval: 1s
      timeout: 20s
      retries: 10
      start_period: 10s

  feedback_db:
    container_name: feedback_db
    image: mysql
    # NOTE: use of "mysql_native_password" is not recommended: https://dev.mysql.com/doc/refman/8.0/en/upgrading-from-previous-series.html#upgrade-caching-sha2-password
    # (this is just an example, not intended to be a production configuration)
    ports:
      - 3307:3306
    command: --default-authentication-plugin=mysql_native_password
    restart: always
    environment:
      MYSQL_ROOT_PASSWORD: mypassword
      MYSQL_DATABASE: DB
      # MYSQL_USER: root
    volumes:
      - ./src/feedback_db/schema.sql:/docker-entrypoint-initdb.d/schema.sql
    healthcheck:
      test:  "mysql $$MYSQL_DATABASE -uroot -p$$MYSQL_ROOT_PASSWORD -e 'SELECT 1;'" # https://github.com/docker/compose/issues/10155#event-8192088464
      interval: 1s
      timeout: 20s
      retries: 10
      start_period: 10s

  prometheus:
    image: prom/prometheus:latest
    restart: unless-stopped
    container_name: prometheus
    ports:
      - 9090:9090
    volumes:
      - ./src/metrics_monitor/prometheus.yml:/etc/prometheus/prometheus.yml
    command:
      - "--config.file=/etc/prometheus/prometheus.yml"
  grafana:
    image: grafana/grafana:latest
    restart: unless-stopped
    user: "472"
    container_name: grafana
    depends_on:
      - prometheus
    ports:
      - 3000:3000
    volumes:
      - ./src/metrics_monitor/datasource.yml:/etc/grafana/provisioning/datasource.yml
    env_file:
      - ./src/metrics_monitor/config.monitoring
    

  data_population:
    build: './src/data_population'
    image: harshraj22/dis_sim_data_population
    environment:
      - REDIS_URL=redis
      - REDIS_PORT=6379
    ports:
      - "8020:8020"
    healthcheck:
      test: ["CMD", "python3", "healthcheck.py"]
      interval: 10s
      timeout: 5s
      retries: 3
    depends_on:
      redis:
        condition: service_healthy
      subscription_db:
        condition: service_healthy

  services_ready:
    build: './src/services_ready'
    image: harshraj22/dis_sim_services_ready
    depends_on:
      redis:
        condition: service_healthy
      subscription_db:
        condition: service_healthy
      broker:
        condition: service_healthy
      zookeeper:
        condition: service_healthy